Intake Manifold Replacement

Intake Manifold Replacement

Removal Procedure

1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement Intake Manifold Cover Replacement.

2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement Service and Repair.

3. Remove the power steering fluid reservoir upper bracket only.

4. Remove the power brake booster vacuum check valve and hose. Refer to Power Brake Booster Vacuum Check Valve and Hose Replacement (2.4L) Power Brake Booster Vacuum Check Valve and Hose Replacement (2.4L)Power Brake Booster Vacuum Check Valve and Hose Replacement (3.0L) Power Brake Booster Vacuum Check Valve and Hose Replacement (3.0L).

5. Remove the coolant air bleed pipe. Refer to Engine Coolant Air Bleed Pipe Replacement (LFX) Removal and Replacement.




6. Disconnect and remove the positive crankcase ventilation (PCV) tube (1) from the intake manifold and right camshaft cover.




7. Remove the evaporative emission (EVAP) hose from the intake manifold and EVAP solenoid.

8. Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement Fuel Pipe Shield Replacement.

9. Disconnect and reposition wire harnesses as necessary.




10. Remove the intake manifold bolts (1).

11. Remove the intake manifold assembly (2).




12. Remove and discard the intake manifold gasket (1).

13. To clean the intake manifold, refer to Intake Manifold Cleaning and Inspection Intake Manifold Cleaning and Inspection.

14. To disassemble the intake manifold, refer to Intake Manifold Disassemble Intake Manifold Disassemble.

Installation Procedure

1. Assemble the intake manifold if needed. Refer to Intake Manifold Assemble Intake Manifold Assemble.




2. Install the NEW intake manifold gasket (1).




3. Install the intake manifold assembly (2).

Caution: Refer to Fastener Caution Fastener Caution.

4. Install the intake manifold bolts (1).

Intake Tightening Sequence (LF1 or LFW):

5. Tighten the intake manifold bolts in the sequence shown.

6. Tighten the intake manifold bolts in sequence to 25 Nm (18 lb ft).

7. Tighten the intake manifold bolts a second pass in sequence to 25 Nm (18 lb ft).

8. Install the fuel pipe shield. Refer to Fuel Pipe Shield Replacement Fuel Pipe Shield Replacement.

9. Position wire harnesses and connect as necessary.




10. Connect the EVAP hose to the upper intake manifold and EVAP solenoid.




11. Connect the PCV tube assembly (1) to the upper intake manifold and the right camshaft cover.

12. Install coolant hose.

13. Install the coolant air bleed pipe. Refer to Engine Coolant Air Bleed Pipe Replacement (LFX) Removal and Replacement.

14. Install the power steering fluid reservoir upper bracket.

15. Install the power brake booster vacuum check valve and hose. Refer to Power Brake Booster Vacuum Check Valve and Hose Replacement (2.4L) Power Brake Booster Vacuum Check Valve and Hose Replacement (2.4L)Power Brake Booster Vacuum Check Valve and Hose Replacement (3.0L) Power Brake Booster Vacuum Check Valve and Hose Replacement (3.0L).

16. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement Service and Repair.

17. Install intake manifold cover. Refer to Intake Manifold Cover Replacement Intake Manifold Cover Replacement.